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Finding the Fourth Proportional to 335.70, 462.96 and 242.10

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Solution

The fourth proportional to 335.70, 462.96 and 242.10 is: 333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.70 : 462.96 = 242.10 : x
  2. Step 2: Convert to fraction form
    335.70/462.96 = 242.10/x
  3. Step 3: Cross multiply
    335.70x = 462.96 × 242.10
  4. Step 4: Simplify right side
    335.70x = 112,082.62
  5. Step 5: Solve for x
    x = 112,082.62/335.70
  6. Step 6: Final answer
    x = 333.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.